Introduction to Space Flight, 2nd Test
C1. Who discovered evidence that the universe was expanding? (A) Friedmann (B) Einstein (C) Hubble (D) Von Braun (E) Picard
B2. About how far (in light years) is it to the center of the galaxy? Pick closest.(A) 1,000 (B) 10,000 (C) 100,000 (D) 500,000 (E)
1,000,000 ACTUAL ANSWER 30,000 LY
D3. Which of the following is not a galaxy type? (A) spiral (B) elliptical (C) barred spiral (D) regular (E) irregular
D4. What is the approximate age of the universe? Pick closest.(Yrs) (A) 1million (B) 100 million (C) 1 billion (D) 10 billion (E) 100
billion Actual is more like 15 billion
C5. What particles first formed in the very early universe? (A) electrons (B) neutrons (C) quarks (D) protons (E) pions
E6. Which of the following is not evidence for the big bang theory? (A) Background radiation at 3 K (B) uniformly distributed
Galaxy clusters receding from one another (C) Violent activity in first objects to form (Quasars, etc.) (D) 75% H, 25% He
composition of early universe (E) abundance of uranium isotopes
A7. About how far is a light year? Pick the closest answer. (A) 10 trillion km (B) 1 trillion km (C) 500 billion km (D) 25 billion km
(E) 1 billion km.
D8. What's the spectral classification of the sun? (A) O (B) K (C) M (D) G (E) F
C9. If the star is receding from the Earth, its light will be (A) blue shifted (B) green shifted (C) red shifted (D) slower (E) faster
C10. A star twice as massive as Jupiter and up to about 8% the mass of the sun is called a (A) white dwarf (B) red dwarf (C) brown
dwarf (D) black dwarf (E) paisley dwarf
A11. A star about the same size as the Earth but as massive as the sun is called a (A) white dwarf (B) red dwarf (C) brown dwarf (D)
black dwarf (E) paisley dwarf
C12. A cloud of dust and gas dense and cool enough to begin collapsing gravitationally into a star is called a (A) red dwarf (B) dust
nebulae (C) protostar (D) presolar star (E) none of these
A13. Pulsars are (A) spinning neutron stars (B) spinning white dwarfs (C) variable stars (D) colliding star remnants (E) none of these.
B14. Most stars are (A) isolated (B) in binary systems (C) in globular clusters (D) in triple systems (E) blue stars.
C15. The most common star type is a (A) white dwarf (B) red giant (C) red dwarf (D) stars like the sun (E) neutron stars.
C16. Nebulae are (A) planetary systems (B) distant galaxies (C) vast clouds of dust and gas (D) local dwarf galaxies (E) none of these
D17. In general, an event horizon surrounds (A) neutron stars (B) white dwarfs (C) black dwarfs (D) black holes (E) blue stars
B18. The most common type of galaxy is (A) irregular (B) dwarf elliptical (C) spiral (D) giant elliptical (E) barred spiral
C19. The nearest star system to earth is (A) Barnard's star (B) Procyon (C) Alpha Centauri (D) Tau Ceti (E) Sirius
C20. About how many stars are there in the galaxy? Answer in billion. (A) 100 (B) 200 (C) 400 (D) 800 (E) 1000
E21. How much matter is visible? (A) 90% (B) 50% (C) 70% (D) 30?% (E) 10%
B22. In which of the following was the ship's crew quarters located? (A) Service Module (B) Command Module (C) liberty module
(D) Lunar module (E) none of these
A23. Which of the following astronauts did not die in the Apollo 1 fire? (A) Schirra (B) Grissom (C) Chaffe (D) White
E24. Which Apollo mission returned the most rock sample mass? (A) Apollo 13 (B) Apollo 12 (C) Apollo 15 (E) Apollo 17
B25. About much rock was returned from the Moon? Pick the closest answer.(A) 200 kg (B) 400 kg (C) 600 kg (D) 800 kg (E) 1000
kg
C26. Where did the Apollo 11 Lunar Module (LM) land? (A) the dark side of the moon (B) the sea of Peace (C) the sea of Tranquility
(D) Mare Imbrium (E) none of these
D27. The moon has (A) a large liquid core (B) a thin crust (C) a small iron core (D) a thick crust (E) a large iron core
E28. The maria are (A) remnants of ancient sea beds (B) areas of shrunken crust (C) layered with feldspar (D) primarily made of
anorthosite (E) giant impact craters filled with basaltic lava.
D29. Which of the following are not lunar rock types? (A) basalts (B) anorthosites (C) breccias (D) shale (E) All are lunar rock types
A30. The oldest lunar rocks are best dated using (A) Thorium (B) Uranium (C) carbon-13 (D) helium-3 (E) deuterium
B31. The first manned flight of the Apollo hardware the command and service module was (A) 4 (B) 7 (C) 8 (D) 10 (E) 11
B32. Which of the following was not on the Apollo 11 mission? (A) Armstrong (B) Lovell (C) Aldrin (D) Collins.
C33. Regolith is (A) rugged terrain (B) rock found in the lithosphere (C) surface material (D) oxygen-rich rock (E) none of these
C34. The moon has its origin in (A) a fissioning of primordial earth material (B) the capture of a large asteroid by the earth (C) the
collision of a Mars-sized object with the Earth (D) a process of co-formation (E) a former moon of Jupiter.
B35. Craters on the moon are (A) mainly volcanic in origin (B) mainly formed by meteor impact (C) equally the result of volcanoes
and meteor impact (D) a result of plate tectonics (E) evidence of an ancient nuclear war
C36. A rill is (A) a special type of crater (B) a large white marking found around craters (C) a remnant of a lava tube (D) a valley
formed by meteoric impact (E) none of these
B37. Oxygen is (A) completely absent on the moon (B) quite common in lunar rocks (C) depleted in lunar rocks (D) only found bound
up in ice deposits (E) none of these
C38. Rock on the surface of the moon is primarily (A) metamorphic (B) sedimentary (C) igneous (D) equally metamorphic and
igneous (E) made of all three types of rock
C39. ________ are composite rocks formed from all other rock types through crushing, mixing, and sintering during meteorite
impacts. (A) Anorthosite rocks (B) KREEP (C) Breccias (D) Feldspar composites (E) Minerals
B40. Which Apollo missions had lunar rovers? (A) 14, 15, 16 (B) 15, 16, 17 (C) 13, 14, 15 (D) 12, 15,17 (E) 11,15,17
B41. Mountains on the moon were formed mainly by (A) volcanic eruptions (B) cratering and crustal deformation (C) plate tectonics
(D) buckling of the lithosphere (E) erosion
D42. Most of the moon has an age in years of over (A) 200 million (B) 500 million (C) a billion (D) 3 billion (E) 10 billion years
B43. The highlands of the moon are mostly made up of (A) Manganese (B) Anorthosite (C) Basalt (D) Granite (E) limestone
B44. Maria cover about what percent of the lunar surface? (A) 8% (B) 16% (C) 32% (D) 45% (E) 57%
A45. If the moon has a thick crust, it is most likely because (A) it cooled quickly (B) it was covered by a magma ocean (C) constant
bombardment built up the breccias (D) it has an abundance of metamorphic rock (E) the crustal material is water-depleted
B46. The lunar highlands (A) were formed by meteoric impact (B) were formed by less dense rock floating on the early magma ocean
(C) are the remnants of chains of volcanoe (D) were formed by plate tectonics (E) misleading: there are no true highlands on the moon.
B47. How many different astronauts have walked on the moon? (A) 18 (B) 12 (C) 15 (D) 9 (E) 6
C48. Approximately how old is the oldest rock on the moon? (A) 1 billion years (B) 2 billion years (C) 3 billion (D) 4.5 billion (E)
misleading: it hasn't been possible to determine the age of any rocks
C49. After three half lives, how much of the original amount of radioactive material remains? (A) « (B) 1/4 (C) 1/8 (D) 1/16 (E) 1/32
D50. Earth surface rocks and moon rocks have similar (A) water content (B) iron content (D) oxygen content (E) similar age.
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